Shailene Woodley stopped by MTV After Hours this week to teach Josh Horowitz the art of "Hugging 101." With the help of "The Fault in Our Stars" co-star, Ansel Elgort, she reveals her top five tips on how to give the perfect hug. Spoiler alert, never use your legs! Check out the appearance below.

In the film, Hazel and Gus are two teenagers who share an acerbic wit, a disdain for the conventional, and a love that sweeps them on a journey. Their relationship is all the more miraculous given that Hazel's other constant companion is an Oxygen tank, Gus jokes about his prosthetic leg, and they met and fell in love at a cancer support group.